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Greyscale score group incidence by maturity offset category.
| Maturity Offset category (n) | Greyscale category 1 | Greyscale category 2 | Greyscale category 3 |
|---|---|---|---|
| Pre (21) | 3 (14%) | 11 (52%) | 7 (33%) |
| Peri (27) | 0 (0%) | 17 (63%) | 10 (37%) |
| Post (9) | 1 (11%) | 2 (22%) | 6 (67%) |
| Mature (8) | 0 (0%) | 1 (12.5%) | 7 (87.5%) |
